Related Party Transactions (Details Narrative) - USD ($) |
1 Months Ended | 3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Sep. 20, 2016 |
Mar. 31, 2017 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| Related Party Transaction [Line Items] | |||||
| Options granted exercise price | $ 7.58 | $ 8.28 | |||
| Stock-based compensation expense | $ 171,000 | $ 222,000 | |||
| Stock Option [Member] | |||||
| Related Party Transaction [Line Items] | |||||
| Stock-based compensation expense | |||||
| 2014 Equity Compensation Plan [Member] | |||||
| Related Party Transaction [Line Items] | |||||
| Options to purchase, shares | 50,000 | ||||
| Option vested percentage | 50.00% | ||||
| Options granted exercise price | $ 7.14 | ||||
| Orchestra Medical Ventures LLC [Member] | 2016 Consulting Agreement [Member] | |||||
| Related Party Transaction [Line Items] | |||||
| Agreement expiry date | Mar. 20, 2017 | ||||
| Cash compensation amount | $ 100,000 | ||||
| X | ||||||||||
- Definition Cash compensation amount. No definition available.
|
| X | ||||||||||
- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Date of maturity or expiration of arrangements with a related party (for example, but not limited to, leasing and debt arrangements between related parties), in CCYY-MM-DD format. No definition available.
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Definition The number of shares purchased on the open market during the period for issuance to employees under the plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
|
| X | ||||||||||
- Definition Percentage of vesting of share-based compensation awards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|